It's rare that as a driver you'll find yourself stuck in traffic, in the U.S., for more than a couple of hours. Yet, our infrastructure is more fragile than we realize and the potential for gridlock to seize a city and leave you on the road for hours or days exists. What do you do in that situation?

This is inspired by today's unfortunate events, which left motorists abandoning their vehicles by the hundreds (maybe thousands) or sleeping in them.